1. Nā ʻano like ʻole
Hydroxypropyl methylcellulose: keʻokeʻo a i ʻole keʻokeʻo keʻokeʻo fibrous a i ʻole ka pauka granular, nona nā ʻano mea like ʻole o ka cellulose i hui ʻia eter.He semi-synthetic, inactive, viscoelastic polymer.
Hydroxyethyl cellulose: (HEC) he keʻokeʻo a māmā melemele, ʻaʻala ʻole, ʻaʻohe mea ʻawaʻawa a i ʻole pauka paʻa, i hoʻomākaukau ʻia e ka etherification o ka cellulose alkaline a me ka ethylene oxide (a i ʻole chloroethanol).No ka non-ionic soluble cellulose ethers.
2. Hoʻohana like ʻole
Hydroxypropyl methylcellulose: Hoʻohana ʻia ma ke ʻano he mānoanoa, dispersant a me ka stabilizer i ka ʻoihana uhi, a loaʻa iā ia ka hoʻohālikelike maikaʻi i ka wai a i ʻole nā mea hoʻoheheʻe organik.E like me ka mea wehe pena;ma ke ʻano he dispersant i ka hana ʻana o ka polyvinyl chloride, ʻo ia ka mea kōkua nui no ka hoʻomākaukau ʻana o PVC ma o ka polymerization suspension;hoʻohana nui ʻia ia i ka ʻili, nā huahana pepa, nā huaʻai a me nā mea kanu mālama a me nā ʻoihana textile.
Hydroxyethyl cellulose: hoʻohana ʻia e like me ka mea hoʻopili, surfactant, colloidal protection agent, dispersant, emulsifier a me dispersion stabilizer, a me nā mea ʻē aʻe. a me ka laau lapaau.
3. Solubility ʻokoʻa
Hydroxypropyl methylcellulose: Aneane hiki ʻole ke hoʻoheheʻe ʻia i loko o ka ethanol, ether, a me ka acetone;pehu ia i loko o kahi ʻoluʻolu colloidal maʻemaʻe a i ʻole i ka wai anuanu.
Hydroxyethyl cellulose: loaʻa nā waiwai o ka mānoanoa, hoʻopaneʻe, hoʻopaʻa, emulsifying, dispersing, a me ka mālama ʻana i ka wai.Hiki ke hoʻomākaukau ʻia nā haʻina me nā pae viscosity like ʻole.Loaʻa iā ia ka paʻakai paʻakai maikaʻi loa i nā electrolytes.
Hydroxypropyl methylcellulose (HPMC) Nā waiwai kino a me kemika:
1. Nani: MC he keʻokeʻo a aneane keʻokeʻo fibrous a granular pauka, odorless.
2. Na waiwai: Aneane hiki ole ke hooheheeia ka MC i ka ethanol, ka etera a me ka acetone.Hoʻopuehu a pehu wikiwiki i ka wai wela ma 80 ~ 90 ℃, a hemo koke ma hope o ka hoʻoilo.Paʻa loa ka hopena wai ma ka lumi wela a hiki ke gel i ka wela kiʻekiʻe, a hiki ke loli ka gel me ka hopena me ka mahana.He maikaʻi loa ka wettability, dispersibility, adhesion, thickening, emulsification, paʻa wai a me nā waiwai hana kiʻiʻoniʻoni, a me ka impermeability i ka momona.ʻO ke kiʻiʻoniʻoni i hoʻokumu ʻia he ʻoi aku ka paʻakikī, ka maʻalahi a me ka ʻike.No ka mea he non-ionic, hiki ke hoʻohālikelike me nā emulsifiers ʻē aʻe, akā maʻalahi ka paʻakai a paʻa ka hopena ma ka laulā o PH2-12.
3. ʻIke ʻia ka nui: 0.30-0.70g / cm3, ʻoi aku ka nui o 1.3g / cm3.
2. Keʻano hoʻopau:
Hoʻopili pololei ʻia ka huahana MC i ka wai, e agglomerate a laila e hoʻoheheʻe ʻia, akā ua lohi a paʻakikī kēia hoʻoheheʻe ʻia.
1. ʻO ke ʻano wai wela: No ka mea ʻaʻole i hoʻoheheʻe ʻia ka MC i ka wai wela, hiki ke hoʻopuehu ʻia ka MC i ka wai wela i ka pae mua.Ke hoʻomāʻalili ʻia, ʻelua mau ʻano maʻamau i wehewehe ʻia penei:
1).E kau i ka nui o ka wai wela i makemake ʻia i loko o ka ipu a hoʻomehana iā ia ma kahi o 70 ° C.E hoʻohui mālie i ka MC ma lalo o ka hoʻoluliluli ʻana, e hoʻomaka e lana ma luna o ka ʻili o ka wai, a laila e hana mālie i kahi slurry, a hoʻomāalili i ka slurry ma lalo o ka hoʻoulu ʻana.
2).E hoʻohui i 1/3 a i ʻole 2/3 o ka nui o ka wai i makemake ʻia i loko o ka pahu a hoʻomehana iā 70 ℃.E hahai i ke ʻano o 1) e hoʻopuehu i ka MC e hoʻomākaukau i ka slurry wai wela;a laila e hoʻohui i ke koena o ka wai anuanu a i ʻole ka wai hau i loko o ka slurry wai wela, e hoʻomaha i ka hui ʻana ma hope o ka hoʻoulu ʻana.
2. ʻO ke ʻano o ka hui ʻana o ka pauka: E hoʻohui i nā ʻāpana pauka MC me ka like a i ʻole ka nui o nā mea pauka ʻē aʻe e hoʻopuehu piha iā lākou ma ka hui ʻana maloʻo, a laila hoʻohui i ka wai e hoʻoheheʻe ʻia, a laila hiki ke hoʻoheheʻe ʻia ka MC me ka ʻole o ka agglomerating.
3. Organic solvent wetting method: pre-disperse or moisten MC me ka organic solvent, e like me ethanol, ethylene glycol a aila paha, a laila hoʻohui i ka wai e hoʻoheheʻe, a laila hiki ke hoʻoheheʻe ʻia ka MC i kēia manawa.
3. Ke kumu:
Hoʻohana nui ʻia kēia huahana i ke kūkulu hale, nā mea hana hale, nā uhi dispersive, nā pepa pepa kiʻi, nā mea hoʻohui polymerization, nā mea hoʻoneʻe pena, ka ʻili, ka inika, ka pepa, a me nā mea ʻē aʻe e like me nā mānoanoa, nā mea hoʻopili, nā mea mālama wai, nā mea hana kiʻiʻoniʻoni, Excipients, etc. No ka laʻana, hoʻohana ʻia ʻo ia ma ke ʻano he mea hoʻopaʻa, mānoanoa a me ka mea mālama wai i nā mea kūkulu hale, ma ke ʻano he mea hana kiʻiʻoniʻoni a me ka mānoanoa i loko o ka ʻoihana uhi, a hoʻohana nui ʻia i nā māla e like me ka petroleum drilling a me ka ʻoihana kemika i kēlā me kēia lā. .
Nā waiwai kino a me nā kemika o ka methyl cellulose (MC):
3. Nānā: MC he keʻokeʻo a ʻaneʻane keʻokeʻo fibrous a granular pauka, ʻaʻohe ʻala.
Nā waiwai: ʻaneʻane hiki ʻole ke hoʻoheheʻe ʻia ka MC i ka ethanol, etera a me ka acetone.Hoʻopuehu a pehu wikiwiki i ka wai wela o 80 ~ 90> ℃, a hoʻoheheʻe koke ma hope o ka hoʻoilo.Paʻa loa ka hopena wai i ka mahana maʻamau a hiki ke gel i ka wela kiʻekiʻe, a hiki ke loli ka gel me ka hopena me ka mahana.He maikaʻi loa ka wettability, dispersibility, adhesion, thickening, emulsification, paʻa wai a me nā waiwai hana kiʻiʻoniʻoni, a me ka impermeability i ka momona.ʻO ke kiʻiʻoniʻoni i hoʻokumu ʻia he ʻoi aku ka paʻakikī, ka maʻalahi a me ka ʻike.No ka mea he non-ionic, hiki ke hoʻohālikelike me nā emulsifiers ʻē aʻe, akā maʻalahi ka paʻakai a paʻa ka hopena ma ka laulā o PH2-12.
1.Apparent haʻahaʻa: 0.30-0.70g/cm3, ʻano haʻahaʻa ma kahi o 1.3g/cm3.
ʻAha.Keʻano hoʻopau:
MC> Hoʻohui pololei ʻia ka huahana i ka wai, e hoʻohui a hoʻoheheʻe ʻia, akā lohi a paʻakikī kēia hoʻoheheʻe ʻana.Manaʻo ʻia nā ʻano hana hoʻopau ʻekolu, a hiki i nā mea hoʻohana ke koho i ke ala kūpono loa e like me nā kūlana hoʻohana:
1. ʻO ke ʻano wai wela: No ka mea ʻaʻole i hoʻoheheʻe ʻia ka MC i ka wai wela, hiki ke hoʻopuehu ʻia ka MC i ka wai wela i ka pae mua.Ke hoʻomāʻalili ʻia, ʻelua mau ʻano maʻamau i wehewehe ʻia penei:
1).E kau i ka nui o ka wai wela i makemake ʻia i loko o ka ipu a hoʻomehana iā ia ma kahi o 70 ° C.E hoʻohui mālie i ka MC ma lalo o ka hoʻoluliluli ʻana, e hoʻomaka e lana ma luna o ka ʻili o ka wai, a laila e hana mālie i kahi slurry, a hoʻomāalili i ka slurry ma lalo o ka hoʻoulu ʻana.
2).E hoʻohui i 1/3 a i ʻole 2/3 o ka nui o ka wai i makemake ʻia i loko o ka pahu a hoʻomehana iā 70 ° C.E hahai i ke kaʻina hana ma 1) e hoʻopuehu i ka MC e hoʻomākaukau i kahi slurry wai wela;a laila e hoʻohui i ke koena o ka wai anuanu a i ʻole ka wai hau i loko o ka slurry wai wela, e hoʻomaha i ka hui ʻana ma hope o ka hoʻoulu ʻana.
ʻO ke ʻano hui ʻana o ka pauka: maloʻo ka hui ʻana i nā ʻāpana pauka MC me ka like a i ʻole ka nui o nā mea pauka ʻē aʻe e hoʻopuehu piha iā lākou, a laila hoʻohui i ka wai e hoʻoheheʻe iā lākou, a laila hiki ke hoʻoheheʻe ʻia ka MC me ka ʻole o ka hoʻohuihui ʻana.
3. ʻO ke ʻano o ka hoʻoheheʻe ʻia ʻana o ke kino: e hoʻopuehu a hoʻomaʻemaʻe paha i ka MC me kahi mea hoʻoheheʻe kūlohelohe, e like me ka ethanol, ethylene glycol a i ʻole ka aila, a laila hoʻohui i ka wai e hoʻoheheʻe ai.A laila hiki ke hoʻoheheʻe ʻia ka MC.
ʻelima.Ke kumu:
Hoʻohana nui ʻia kēia huahana i ke kūkulu hale, nā mea hana hale, nā uhi dispersive, nā pepa pepa kiʻi, nā mea hoʻohui polymerization, nā mea hoʻoneʻe pena, ka ʻili, ka inika, ka pepa, a me nā mea ʻē aʻe e like me nā mānoanoa, nā mea hoʻopili, nā mea mālama wai, nā mea hana kiʻiʻoniʻoni, Excipients, etc. No ka laʻana, hoʻohana ʻia ʻo ia ma ke ʻano he mea hoʻopaʻa, mānoanoa a me ka mea mālama wai i nā mea kūkulu hale, ma ke ʻano he mea hana kiʻiʻoniʻoni a me ka mānoanoa i loko o ka ʻoihana uhi, a hoʻohana nui ʻia i nā māla e like me ka petroleum drilling a me ka ʻoihana kemika i kēlā me kēia lā. .
1. ʻOihana hana: Ma ke ʻano he mea hoʻopaʻa wai a me ka hoʻopaneʻe ʻana i ka pahu sima, hana ia i ka mortar pumpable.Hoʻohana ʻia ma ke ʻano he mea hoʻopaʻa i ka plaster, plaster, putty pauka a i ʻole nā mea kūkulu hale ʻē aʻe e hoʻomaikaʻi ai i ka pālahalaha a hoʻolōʻihi i ka manawa hana.Hiki ke hoʻohana ʻia no ka hoʻopili ʻana i nā tile ceramic, marble, plastic decor, paste enhancer, a hiki ke hoʻemi i ka nui o ka sima.ʻO nā waiwai paʻa wai o ka HPMC e pale i ka slurry mai ka haki ʻana ma muli o ka maloʻo wikiwiki ʻana ma hope o ka noi ʻana, a hoʻonui i ka ikaika ma hope o ka paʻakikī.
2. ʻO ka ʻoihana hana keramika: hoʻohana nui ʻia e like me ka mea hoʻopaʻa i ka hana ʻana i nā huahana ceramic.
3. ʻOihana pena: Ma ke ʻano he mānoanoa, dispersant a me ka stabilizer i ka ʻoihana pena, he kūpono maikaʻi i ka wai a i ʻole nā mea hoʻoheheʻe organik.E like me ka mea wehe pena.
4. Pa'i 'īnika: Ma ke 'ano he mānoanoa, dispersant a me ka stabilizer i loko o ka 'oihana inika, 'o ia ka 'olu'olu maika'i i ka wai a i 'ole nā mea ho'ohehe'e organic.
5. Plastics: hoʻohanaʻia e like me nā mea hoʻokuʻu mold, softeners, lubricants, etc.
6. Polyvinyl chloride: Hoʻohana ʻia ia ma ke ʻano he dispersant i ka hana ʻana o ka polyvinyl chloride a ʻo ia ka mea kōkua nui no ka hoʻomākaukau ʻana i ka PVC ma o ka polymerization suspension.
7. Nā mea ʻē aʻe: Hoʻohana nui ʻia kēia huahana i ka ʻili, nā huahana pepa, ka mālama ʻana i nā huaʻai a me nā mea kanu a me nā ʻoihana textile.
8. ʻOihana lāʻau lapaʻau: nā mea uhi;nā mea kiʻiʻoniʻoni;nā mea polymer e hoʻoponopono ana i ka helu no ka hoʻomākaukau hoʻokuʻu lohi;stabilizers;nā mea hana hoʻomaha;mea paa papa;mea mānoanoa.ʻO nā pōʻino olakino: palekana kēia huahana a ʻaʻohe mea ʻawaʻawa, a hiki ke hoʻohana ʻia ma ke ʻano he meaʻai meaʻai , ʻAʻohe wela, ʻaʻohe huhū i ka ʻili a me ka pili ʻana o ka membrane mucous.Manaʻo ʻia he palekana (FDA1985), ʻo 25mg/kg ka mea e ʻae ʻia i kēlā me kēia lā (FAO/WHO 1985), a pono e hoʻohana ʻia nā mea pale i ka wā o ka hana.
Ka hopena o ke kaiapuni: Hōʻalo i ka hoʻolei wale ʻana i mea e hoʻohaumia ai ka ea ma ka lele ʻana o ka lepo.
Nā pōʻino kino a me nā kemika: Hōʻalo i ka hoʻopili ʻana me nā kumu ahi, a pale i ka hoʻokumu ʻia ʻana o ka lepo nui i loko o kahi wahi pani e pale ai i nā pōʻino pahū.
Hoʻohana wale ʻia kēia mea ma ke ʻano he mānoanoa, ʻaʻole maikaʻi no ka ʻili.
Ka manawa hoʻouna: Nov-24-2021